Post Exchange migration Outlook won't load with "Cannot start microsoft outlook. cannot open the outlook window. the set of folders cannot be opened. you must connect to microsoft exchange with the current profile before you can synchronize with your outlook data file (.ost)"

"Cannot start microsoft outlook. cannot open the outlook window. the set of folders cannot be opened. you must connect to microsoft exchange with the current profile before you can synchronize  with your outlook data file (.ost)"

Clear the Outlook profile folder on C:\Users\Profile\AppData\Local\Microsoft\Outlook

CTRL + R and enter "Outlook /resetnavpane"